IP Library › Granted Patent US 6,516,572
Granted Patent Utility
US 6,516,572 · App. 09/659,231

Slate and interlayment roof and a method of preparing the same

Inventors: David Nowacek, James J. Nowacek
Patented Case View Patent ↗
Granted: Feb 11, 2003 Filed: Sep 11, 2000
Inventors
David Nowacek
James J. Nowacek

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Quick Facts
Patent No.
US 6,516,572
App. No.
09/659,231
Filed
2000-09-11
Granted
2003-02-11
Kind
B1